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Related Experiment Videos

Gustatory phenomena after upper dorsal sympathectomy

A Kurchin, R Adar, A Zweig

    Archives of Neurology
    |October 1, 1977
    PubMed
    Summary

    Following upper dorsal sympathectomy for palmar hyperhidrosis, most patients experienced unusual gustatory sweating. This phenomenon is linked to sympathetic nerve regeneration, not typical physiological responses.

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    Area of Science:

    • Neurosurgery
    • Autonomic Nervous System
    • Sweating Disorders

    Background:

    • Palmar hyperhidrosis is often treated with upper dorsal sympathectomy.
    • Gustatory sweating, or sweating triggered by taste, is a known but incompletely understood phenomenon.
    • Post-surgical aberrant nerve connections can lead to altered physiological responses.

    Purpose of the Study:

    • To investigate the incidence and characteristics of gustatory phenomena after upper dorsal sympathectomy.
    • To explore the underlying mechanisms of these post-surgical gustatory responses.
    • To differentiate these phenomena from physiological gustatory sweating.

    Main Methods:

    • A series of 100 bilateral upper dorsal sympathectomies for palmar hyperhidrosis.
    • Follow-up of 93 patients for an average of 1.5 years.
    • Analysis of patient-reported gustatory phenomena and correlation with Horner's syndrome incidence.

    Main Results:

    • 73% of patients (68/93) reported gustatory phenomena post-surgery.
    • These phenomena varied in stimuli, location, and type, differing from physiological gustatory sweating.
    • A negative correlation was observed between gustatory phenomena and Horner's syndrome occurrence.

    Conclusions:

    • Gustatory phenomena after sympathectomy are likely due to preganglionic sympathetic regeneration.
    • Aberrant synapses in the superior cervical ganglion are implicated in these aberrant responses.
    • Understanding these mechanisms is crucial for managing post-surgical complications.

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